Isometric exercise apparatus



FIG. 1 is a perspective view of an isometric exercise apparatus;

FIG. 2 is a side view of the isometric exercise apparatus of FIG. 1;

FIG. 3 is a front view of the isometric exercise apparatus of FIG. 1;

FIG. 4 is a rear view of the isometric exercise apparatus of FIG. 1;

FIG. 5 is a top plan view of the isometric exercise apparatus of FIG. 1; and,

FIG. 6 is a bottom plan view of the isometric exercise apparatus of FIG. 1. 

The ornamental design for isometric exercise apparatus, as shown. 